-us
Fourth Declension Nominative Sing. Masc.
-ūs
Fourth Declension Nominative Pl. Masc.
-ūs
Fourth Declension Genitive Sing. Masc./Neut.
-ū
Fourth Declension Nominative Sing. Neut.
-ua
Fourth Declension Nominative Pl. Neut.
-uum
Fourth Declension Genitive Pl. Masc./Neut.
-uī
Fourth Declension Dative Sing. Masc.
-ū
Fourth Declension Dative Sing. Neuter
-ībus
Fourth Declension Dative Pl. Masc./Neut
-um
Fourth Declension Accusative Sing. Masc.
-ūs
Fourth Declension Accusative Pl. Masc.
-ū
Fourth Declension Accusative Sing. Neut.
-ua
Fourth Declension Accusative Pl. Neut.
-ū
Fourth Declension Ablative Sing. Masc./Neut.
-ibus
Fourth Declension Ablative Pl. Masc./Neut.